SANDISK - 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD

Best Buy SKU 6669302 · Storage · last checked 2026-10-20

SANDISK - 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD

Champion your gaming sessions and creative workflows with the SANDISK Optimus GX PRO 850X NVMe SSD. Load levels fast and push through your creative workflow with PCIe 4.0 Sequential Read/Write speeds up to 7,300/6,600 MB/s (2TB and 4TB models). With Random Read/Write speeds up to 1.2M/1.2M IOPS (8TB model) and integrated SANDISK nCache 4.0 technology, experience seamless game sessions and smooth multitasking. Store your large games and digital assets with capacities up to 8TB on M.2 2280 built with trusted SANDISK BiCS TLC 3D NAND. Engineered for video editing with an endurance rating of up to 4,800 TBW (8TB model). Help protect your projects and data with TCG Opal v2.01 data-at-rest encryption. With Microsoft DirectStorage support, you’re ready for future games. Ideal for gaming PCs, creator PCs, and laptops.

Price and availability

RetailerPriceOnlineIn store
Best Buy$999.99In stockOut of stock
Newegg$999.99In stockOut of stock

Lowest current price: $999.99 at Best Buy.

Price history

1 price change recorded in the last 90 days. Lowest: $999.99. Highest: $999.99.

DateRetailerFromTo
Sep 8, 2026Newegg$1,506.80$999.99

Restock history

Last restock: Oct 19, 2026 at Newegg (online). 1 restock in the last 30 days (1 online, 0 in store).

DateRetailerChannelPriceStates
Oct 19, 2026Neweggonline$999.99
Sep 8, 2026Neweggonline$999.99
Sep 4, 2026Best Buyonline$999.99

Get restock alerts

StockMaid watches this product around the clock and posts free restock alerts to Discord; premium members get emails and the Chrome extension's automatic add to cart. Browse all Storage.

More Storage